<template>
  <div class="loginDiv">
    <a-form
      id="formLogin"
      class="user-layout-login"
      ref="formLogin"
      :form="form"
      @submit="handleSubmit"
    >
      <a-tabs
        :activeKey="customActiveKey"
        :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
        @change="handleTabClick"
      >
        <!--<a-tab-pane key="tab1" tab="账号密码登录">-->
        <a-tab-pane key="tab1" tab="">
          <a-alert
            v-if="isLoginError"
            type="error"
            showIcon
            style="margin-bottom: 24px;"
            message="账户或密码错误"/>
          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="请输入管理员账号"
              v-decorator="[
                'username',
                {rules: [{ required: true, message: '请输入帐户名或邮箱地址' }, { validator: handleUsernameOrEmail }], validateTrigger: 'change'}
              ]"
            >
              <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }"/>
            </a-input>
          </a-form-item>

          <a-form-item>
            <a-input
              size="large"
              type="password"
              autocomplete="false"
              placeholder="请输入管理员密码"
              v-decorator="[
                'password',
                {rules: [{ required: true, message: '请输入密码' }], validateTrigger: 'blur'}
              ]"
            >
              <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }"/>
            </a-input>
          </a-form-item>
        </a-tab-pane>
        <!--<a-tab-pane key="tab2" tab="手机号登录">-->
        <!--<a-form-item>-->
        <!--<a-input size="large" type="text" placeholder="手机号"-->
        <!--v-decorator="['mobile', {rules: [{ required: true, pattern: /^1[34578]\d{9}$/, message: '请输入正确的手机号' }], validateTrigger: 'change'}]">-->
        <!--<a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }"/>-->
        <!--</a-input>-->
        <!--</a-form-item>-->

        <!--<a-row :gutter="16">-->
        <!--<a-col class="gutter-row" :span="16">-->
        <!--<a-form-item>-->
        <!--<a-input size="large" type="text" placeholder="验证码"-->
        <!--v-decorator="['captcha', {rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur'}]">-->
        <!--<a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }"/>-->
        <!--</a-input>-->
        <!--</a-form-item>-->
        <!--</a-col>-->
        <!--<a-col class="gutter-row" :span="8">-->
        <!--<a-button-->
        <!--class="getCaptcha"-->
        <!--tabindex="-1"-->
        <!--:disabled="state.smsSendBtn"-->
        <!--@click.stop.prevent="getCaptcha"-->
        <!--v-text="!state.smsSendBtn && '获取验证码' || (state.time+' s')"-->
        <!--&gt;</a-button>-->
        <!--</a-col>-->
        <!--</a-row>-->
        <!--</a-tab-pane>-->
      </a-tabs>

      <a-form-item>
        <!--<a-checkbox v-decorator="['rememberMe']">自动登录</a-checkbox>-->
        <!--<router-link-->
          <!--:to="{ name: 'recover', params: { user: 'aaa'} }"-->
          <!--class="forge-password"-->
          <!--style="float: right;"-->
        <!--&gt;忘记密码？-->
        <!--</router-link>-->
      </a-form-item>

      <a-form-item style="margin-top:24px">
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="state.loginBtn"
          :disabled="state.loginBtn"
        >确定
        </a-button>
      </a-form-item>

      <!--<div class="user-login-other">-->
      <!--<span>其他登录方式</span>-->
      <!--<a>-->
      <!--<a-icon class="item-icon" type="alipay-circle"></a-icon>-->
      <!--</a>-->
      <!--<a>-->
      <!--<a-icon class="item-icon" type="taobao-circle"></a-icon>-->
      <!--</a>-->
      <!--<a>-->
      <!--<a-icon class="item-icon" type="weibo-circle"></a-icon>-->
      <!--</a>-->
      <!--<router-link class="register" :to="{ name: 'register' }">注册账户</router-link>-->
      <!--</div>-->
    </a-form>

    <two-step-captcha
      v-if="requiredTwoStepCaptcha"
      :visible="stepCaptchaVisible"
      @success="stepCaptchaSuccess"
      @cancel="stepCaptchaCancel"
    ></two-step-captcha>
  </div>
</template>

<script>
import Vue from 'vue'
import md5 from 'md5'
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
import { getSmsCaptcha, get2step } from '@/api/login'

export default {
  components: {
    TwoStepCaptcha
  },
  data () {
    return {
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  created () {
    get2step({})
      .then(res => {
        this.requiredTwoStepCaptcha = res.result.stepCode
      })
      .catch(() => {
        this.requiredTwoStepCaptcha = false
      })
      // this.requiredTwoStepCaptcha = true
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    // handler
    handleUsernameOrEmail (rule, value, callback) {
      const { state } = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTabClick (key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    handleSubmit (e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
        customActiveKey,
        Login
      } = this

      state.loginBtn = true

      const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          const loginParams = { ...values }
          delete loginParams.username
          loginParams[!state.loginType ? 'email' : 'username'] = values.username
          // loginParams.password = md5(values.password)
          loginParams.password = values.password
          const param = {
            userName: loginParams.username,
            userPwd: loginParams.password
          }
          Login(param)
            .then((res) => {
              console.log('成功', res)
              this.loginSuccess(res)
            })
            .catch(err => {
              console.log('失败', err)
              this.requestFailed(err)
            })
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    getCaptcha (e) {
      e.preventDefault()
      const { form: { validateFields }, state } = this

      validateFields(['mobile'], { force: true }, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = this.$message.loading('验证码发送中..', 0)
          getSmsCaptcha({ mobile: values.mobile }).then(res => {
            setTimeout(hide, 2500)
            this.$notification['success']({
              message: '提示',
              description: '验证码获取成功，您的验证码为：' + res.result.captcha,
              duration: 8
            })
          }).catch(err => {
            setTimeout(hide, 1)
            clearInterval(interval)
            state.time = 60
            state.smsSendBtn = false
            this.requestFailed(err)
          })
        }
      })
    },
    stepCaptchaSuccess () {
      this.loginSuccess()
    },
    stepCaptchaCancel () {
      console.log('到了stepCaptchaCancel')
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess (res) {
      // 进入首页
      this.$router.push({ path: '/' }, () => {
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      })
      this.isLoginError = false
    },
    requestFailed (err) {
      console.log(err)
      this.isLoginError = true
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
  .loginDiv{
    width:720px;
    margin:0 auto;
    background:rgba(255,255,255,0.8);
    border-radius: 0 0 20px 20px;
    padding:0 80px 60px 80px;
    box-sizing: border-box;
    /deep/ .ant-tabs-ink-bar{
      width: 80px !important;
      height: 8px;
      background: #1890FF;
      left: calc( (100% - 80px)/2 );
    }
    /deep/ .ant-tabs-bar{
      margin-bottom:40px;
    }
    /deep/ .ant-input-affix-wrapper .ant-input:not(:first-child) {
      padding-left: 64px;
      height: 72px;
      border-radius:10px;
    }
    /deep/ .anticon{
      font-size:28px;
      color:#333 !important;
    }
    /deep/ .ant-input-affix-wrapper .ant-input-prefix{
      left:20px;
    }
    /deep/ .user-layout-login button.login-button{
      height:72px;
      font-size:24px;
    }
    /deep/ .ant-checkbox + span{
      font-size:18px;
    }
    /deep/ form input[type='checkbox']{
      width:16px;
      height:16px;
    }
    /deep/ .ant-checkbox{
      top:-3px;
    }
  }
  .user-layout-login {
    label {
      font-size: 14px;
    }

    .getCaptcha {
      display: block;
      width: 100%;
      height: 40px;
    }

    .forge-password {
      font-size: 18px;
    }

    button.login-button {
      padding: 0 15px;
      font-size: 16px;
      height: 40px;
      width: 100%;
    }

    .user-login-other {
      text-align: left;
      margin-top: 24px;
      line-height: 22px;

      .item-icon {
        font-size: 24px;
        color: rgba(0, 0, 0, 0.2);
        margin-left: 16px;
        vertical-align: middle;
        cursor: pointer;
        transition: color 0.3s;

        &:hover {
          color: #1890ff;
        }
      }

      .register {
        float: right;
      }
    }
  }
</style>
